Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
160657 (1999 XC142)
Classification: Inner Main-belt Asteroid          SPK-ID: 2160657
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09500337896420032 4.5519e-08  
a 1.982324170396443 1.1971e-08 au
q 1.793996676006375 8.8009e-08 au
i 24.04470213447939 6.7298e-06 deg
node 67.38405039782526 1.2053e-05 deg
peri 283.3195077890421 4.9887e-05 deg
M 55.09871811331038 5.5498e-05 deg
tp 2458444.473115901284
(2018-Nov-21.97311590)		 0.00015639 TDB
period 1019.437115760568
2.79		 9.2341e-06
2.528e-08		 d
yr
n .3531360536460514 3.1987e-09 deg/d
Q 2.17065166478651 1.3108e-08 au
   Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      6911 days (18.92 yr)  
   first obs. used      1998-04-28  
   last obs. used      2017-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56173  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-11 08:10:22  

Additional Information
 Earth MOID = .895161 au 
 Jupiter MOID = 3.12509 au 
 T_jup = 3.747 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO341522  

160657 (1999 XC142)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin